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Jacqueline Halpin

@jaxhalpin.bsky.social
115 followers 157 following 17 posts

Geologist 💎⛏🌏 | Antarctica 🇦🇶 | Lutruwita/Tasmania📍 | Lover of wild places & whisky🏔🥃 | she/her | A/Prof @ University of Tasmania

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Jacqueline Halpin @jaxhalpin.bsky.social · 09/09/2026
Pinching myself! And to be amongst this company too 🙌🇦🇶
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 16/08/2026
❄️ A wonderful show of ACEAS researchers at the 12th @scar-antarctic.bsky.social Open Science Conference held in Norway this week. It's where the Antarctic research community comes together every two years to share knowledge and tackle the big challenges and scientific questions facing Antarctica.
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Jacqueline Halpin @jaxhalpin.bsky.social · 15/05/2026
Excited to receive this medal! Love my job hanging out with rocks and good people 🙌
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 14/11/2025
🪨 The project will combine new geological observations with numerical modelling to quantify past ice sheet retreat during the previous warm Pliocene epoch (3–3.3 million years ago), which is an analogue for climatic conditions expected within decades. @utas.edu.au | @imas-utas.bsky.social
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 14/11/2025
🌏 Led by ACEAS Chief Investigator Associate Professor @jaxhalpin.bsky.social, the team includes Dr Taryn Noble, Associate Professor Alan Aitken, Dr Jacob Mulder, and Dr @hochmuth.bsky.social.
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 14/11/2025
👏 Congratulations to a team of ACEAS researchers who have been awarded an ARC Discovery Project grant to investigate East Antarctica’s Aurora Subglacial Basin – a region posing one of the greatest risks for multi-metre sea level rise this century. Read more: antarctic.org.au/aceas-resear...
antarctic.org.au
ACEAS researchers awarded ARC Discovery Project grant to unlock East Antarctica’s secrets - ACEAS
A team from the Australian Centre for Excellence in Antarctic Science (ACEAS) has received a prestigious Australian Research Council (ARC) Discovery Project grant to investigate East Antarctica’s Auro...
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 09/11/2025
🌍 Last week, 140+ Antarctic scientists came together in #Hobart for our ACEAS Research Forum 2025 to share the latest research and insights about the climate risks emerging from #Antarctica and the #SouthernOcean. Read more: antarctic.org.au/aceas-resear...
antarctic.org.au
ACEAS Research Forum 2025: a national gathering of Antarctic science excellence - ACEAS
More than 140 researchers from across Australia gathered in Hobart last week for the Australian Centre for Excellence in Antarctic Science (ACEAS) Research Forum, held from 5 to 7 November at the Univ...
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Australian Antarctic Program Partnership @antarctic.bsky.social · 30/10/2025
🦠🧪 Congratulations to our biogeochemistry team on winning an Australian Research Council (ARC) Discovery Project grant to iron out wrinkles in climate models. ▶️https://aappartnership.org.au/unlocking-how-iron-shapes-ocean-life-and-climate/
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Jacqueline Halpin @jaxhalpin.bsky.social · 07/11/2025
How vulnerable is East Antarctica’s ice in a warming world? 🧊🌍 Thrilled to be awarded #ARC funding with my stellar collaborators! We will explore geological archives that record how the ice sheet reacted to past warm periods — and what that could mean for our future. @antarcticsciaus.bsky.social
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Will Hobbs @icecoldwill.bsky.social · 05/11/2025
What's the future for Antarctic sea ice? Next Tuesday (11th November I'll be giving a free lunchtime talk at TMAG on @antarctic.bsky.social @imas-utas.bsky.social efforts to answer that very question. You can register here: url.au.m.mimecastprotect.com/s/UVHnCE8kD7... #hobart #utas #antarctica
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 19/10/2025
🪨 Australia’s climate story is written in stone – and sea 🌊 This ABC Deep Time feature explores how Australia’s landscapes have shifted over millennia, shaped by rising seas and changing climates – told by First Nations voices alongside scientists, linking deep cultural memory with geological time.
abc.net.au
The epic story of Australia and its first peoples — like you've never seen it
The story of Australia and its peoples is vast and deep. It's one you should know, but possibly one you've never been told. Well, not like this anyway.
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Dr Joanne Johnson @geologicaljo.bsky.social · 22/10/2025
Ever wondered what lies beneath the fastest melting glacier in #Antarctica? Read on…. 🔥New paper just out🔥led by my brilliant @bas.ac.uk colleague Tom Jordan: www.nature.com/articles/s43... Combining #geology & #geophysics, we discovered a huge granite beneath Pine Island Glacier! 🧵 below…. 1/n 🧪❄️🥼
nature.com
Subglacial geology and palaeo flow of Pine Island Glacier from combining glacial erratics with geophysics - Communications Earth & Environment
A nearly 175 Ma granite body in West Antarctica reveals ice flowed across the southern Hudson Mountains at the Last Glacial Maximum, resulting in erratics derived from local subglacial bedrock, as rev...
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Jacqueline Halpin @jaxhalpin.bsky.social · 11/08/2025
Wrap your hands around a 3 billion year old piece of Antarctica! I’ll see you there 🤘
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Australian Antarctic Program Partnership @antarctic.bsky.social · 07/08/2025
Congratulations to AAPP ice-sheet modeller Dr Chen Zhao for her recognition in the 2025 Tasmanian Tall Poppy Science Awards. ▶️ www.utas.edu.au/about/news-a... @utas.edu.au @imas-utas.bsky.social
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Levan Tielidze @levantielidze.bsky.social · 05/08/2025
❄️ A landmark new study has revealed that glaciers on Australia’s remote sub-Antarctic Heard Island are shrinking at an accelerating rate due to rising temperatures and climate change. tc.copernicus.org/articles/19/... @andrewmackintosh.bsky.social @heardislandgov.bsky.social @arcsaef.bsky.social
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Jacqueline Halpin @jaxhalpin.bsky.social · 01/08/2025
Here for the ice cold diplomacy 🐧
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Geography at Durham @geogdurham.bsky.social · 11/07/2025
Great work by our colleagues Stewart Jamieson and Guy Paxman: "We have been using satellite data to map an ancient river landscape beneath the East Antarctic Ice Sheet:. The landscape has been frozen in time for up to 34 million years." ⚒️🧪 www.nature.com/articles/s41...
nature.com
Extensive fluvial surfaces at the East Antarctic margin have modulated ice-sheet evolution - Nature Geoscience
Extensive flat surfaces observed beneath the East Antarctic Ice Sheet margin were formed by fluvial erosion and have modulated the ice-sheet response to climate change, according to an analysis of rad...
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 08/07/2025
"I am optimistic about fostering stronger India–Australia collaborations in Antarctic science and look forward to more opportunities like this in the future." - 2025 @scar-antarctic.bsky.social INSTANT Fellow Dr Devsamridhi Arora on her recent @utas.edu.au visit ⬇️ antarctic.org.au/introducing-...
antarctic.org.au
Introducing Dr Devsamridhi Arora - ACEAS
Introducing Dr Devsamridhi Arora ACEAS researchers recently welcomed a special guest from India’s Antarctic science community. Dr Devsamridhi Arora was here at IMAS/UTAS, Hobart from the University of...
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Jacqueline Halpin @jaxhalpin.bsky.social · 23/06/2025
Discovery of microcontinents in the Kerguelen Plateau region of the Southern Ocean! 🌊 🌏 New OA research led by @imas-utas.bsky.social @antarcticsciaus.bsky.social PhD student Jeremy Asimus out now: agupubs.onlinelibrary.wiley.com/doi/10.1029/...
agupubs.onlinelibrary.wiley.com
Discovery of the William's Ridge and Rig Seismic Seamount Microcontinents, Kerguelen Plateau: Signatures of a Fragmented Rifted Margin
First detailed characterization of basement geology at William's Ridge and Rig Seismic Seamount Microcontinents underly plume-derived volcanic rocks and sediments at William's Ridge and Rig Seism...
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Jacqueline Halpin @jaxhalpin.bsky.social · 23/06/2025
Excited to be amongst geo friends at Uni Adelaide to give a talk on Antarctic mountains & learn from some of the best 🤩
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Dr swift parrot @teamswiftparrot.bsky.social · 15/06/2025
the only good king is the king parrot 👑
Bright red parrot with a green lawn behind
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Katharina Hochmuth @hochmuth.bsky.social · 24/05/2025
Very proud of my #IODP shipmates for spearheading this amazing paper on our new data from #Exp395. We are looking at the onset of deepwater formation in the North Atlantic and its relation to Greenland‘s ice sheet. ⚒️🧪⛰️🪨🚢🧊 www.nature.com/articles/s41...
nature.com
Onset of strong Iceland-Scotland overflow water 3.6 million years ago - Nature Communications
This study examines the history of North Atlantic deep-water masses, as recorded in marine sediments. Major lithological changes and increased rate of deposition reveal that stronger deep-ocean circul...
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 12/05/2025
New study of an ancient collision zone reveals origins of enormous mountain range, hidden beneath the East Antarctic ice sheet and central to Earth's tectonic history ♨️ - from @jaxhalpin.bsky.social and Nathan Daczko @imas-utas.bsky.social | Macquarie Uni theconversation.com/antarctica-h...
theconversation.com
Antarctica has a huge, completely hidden mountain range. New data reveals its birth over 500 million years ago
The mysterious ‘ghost mountains’ – buried beneath kilometres of Antarctic ice – have puzzled scientists for decades.
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Australian Antarctic Program Partnership @antarctic.bsky.social · 12/05/2025
🏔️ "The Gamburtsev Mountains are similar in scale and shape to the European Alps. But we can’t see them because the high alpine peaks and deep glacial valleys are entombed beneath kilometres of ice." — @jaxhalpin.bsky.social @utas.edu.au & Nathan Daczko ▶️ theconversation.com/antarctica-h...
theconversation.com
Antarctica has a huge, completely hidden mountain range. New data reveals its birth over 500 million years ago
The mysterious ‘ghost mountains’ – buried beneath kilometres of Antarctic ice – have puzzled scientists for decades.
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Australian Antarctic Program Partnership @antarctic.bsky.social · 11/04/2025
🌊 𝙒𝙖𝙧𝙢𝙞𝙣𝙜 𝙤𝙘𝙚𝙖𝙣 𝙫𝙨 𝘼𝙣𝙩𝙖𝙧𝙘𝙩𝙞𝙘 𝙞𝙘𝙚 Spectacular vision of the Denman Glacier and Shackleton Ice Shelf, from the current #science voyage of icebreaker RSV Nuyina to East #Antarctica. #DMV video ▶️ youtu.be/H92Tj3gZCqg @antarcticsciaus.bsky.social | @utas.edu.au | @arcsaef.bsky.social
youtu.be
Warming ocean vs Antarctic ice
YouTube video by Australian Antarctic Program Partnership
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 01/04/2025
The first rock dredges of the #DMV have delivered - and many rocks found seem to have come from beneath the vast Denman Glacier. There are signs the region might be a particularly warm area geothermally, and this can impact on the base, writes Jo Whittaker ⬇️ #blog antarctic.org.au/revealed-in-...
antarctic.org.au
Revealed in a rock dredge - ACEAS
Revealed in a rock dredge By Jo Whittaker Anticipation was high as the first dredge of the Denman Marine Voyage was deployed to a water depth of 2700 metres on the steep eastern slope of the Eastern B...
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Australian Antarctic Program Partnership @antarctic.bsky.social · 03/04/2025
On the edge of #Antarctica, 60 scientists aboard RSV Nuyina are researching the impact of climate change on the fastest-melting glacier in the eastern part of the icy continent — ABC News with @utas.edu.au, @arcsaef.bsky.social, AAD and @antarcticsciaus.bsky.social ▶️ www.abc.net.au/news/2025-04...
abc.net.au
Scientists collect unique sea creatures during voyage to East Antarctica
From giant sea spiders to "sea pigs" and "sea butterflies" — analysing the rich biodiversity in Antarctica has thrilled researchers studying the impacts of climate change.
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Matt King @deformedearth.bsky.social · 15/03/2025
Look how happy Taryn is with her seafloor sediment!! ⚒️🌊🧪 It holds keys to understanding past climate and ice sheet behaviour in the Denman Glacier region of Antarctica
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Rob Larter @polarrobs.bsky.social · 03/03/2025
🧪🌊🧵 Despite having his job at NOAA terminated @zacklabe.com has still brought his visualisations that show the alarming recent trend in Antarctic sea-ice extent up to date. zacklabe.com/antarctic-se... 1/2
zacklabe.com
Antarctic: Sea-Ice Concentration/Extent/Thickness
My visualizations: Arctic Climate Seasonality and Variability Arctic Sea Ice Extent and Concentration Arctic Sea Ice Volume and Thickness Arctic Temperatures Antarctic Sea Ice Extent and Concentrat…
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 02/03/2025
Follow the #DMV journey south with the RSV Nuyina voyage tracker map and icebreaker webcams ⬇️ www.antarctica.gov.au/antarctic-op... @antarctic.bsky.social | @arcsaef.bsky.social | AAD
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Jacqueline Halpin @jaxhalpin.bsky.social · 02/03/2025
Sums up world politics. Thank god for the kiwis youtu.be/xk1kwfK848Y
youtu.be
Too Many Dicks On The Dance Floor - Flight Of The Conchords (Lyrics)
YouTube video by Flight of the Conchords
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Australian Antarctic Program Partnership @antarctic.bsky.social · 26/02/2025
Two more sleeps until departure day! Here's most of the 47 scientists from AAPP @utas.edu.au & @antarcticsciaus.bsky.social leaving on the two-month Denman Marine Voyage (5000km south to East #Antarctica) with AAD and @arcsaef.bsky.social this Friday. 🌊 Follow them at aappartnership.org.au/DMV/
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Australian Antarctic Program Partnership @antarctic.bsky.social · 07/02/2025
Join scientists from @utas.edu.au and @antarcticsciaus.bsky.social in East #Antarctica as they plumb the depths of the ocean under an ice shelf with a power tool, a long drill, lots of line—and plenty of stamina.
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Ian Dale Kelly @iantarctic.bsky.social · 18/01/2025
First post on BlueSky to mark the end of my Antarctic fieldwork in Queen Maud Land working with @andrewmackintosh.bsky.social and some other wonderful scientists at @arcsaef.bsky.social. Overall, trip was hugely successful, with some exciting science to come. 1/4
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Australian Centre for Excellence in Antarctic Science (ACEAS) @antarcticsciaus.bsky.social · 17/01/2025
Melting at the fringes: the many ocean processes contributing to ice shelf melt revealed 🧊 Important new review from Dr Madi Rosevear and colleagues shines a light on how these processes will shape future climate and sea level rise. University of Melbourne | AAD antarctic.org.au/melting-at-t...
antarctic.org.au
Melting at the fringes - ACEAS
Melting at the fringes When it comes to melting ice, the process in the oceans isn’t as straightforward as it is in a glass of water. In a new review, scientists reveal the multitude of ocean processe...
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Jacqueline Halpin @jaxhalpin.bsky.social · 13/01/2025
Christmas might be over, but the gifts keep coming for the @antarcticsciaus.bsky.social geo team! 🪨🎁 Today @icylava.bsky.social took delivery of new rock samples from Gaussberg - East Antarctica’s only exposed volcano 🌋 (even geophysicists were excited, right @hochmuth.bsky.social 😉) ⚒️🧪
Geologists with Antarctic rock samples
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British Antarctic Survey 🐧 @bas.ac.uk · 13/12/2024
A23a has finally escaped the vortex! 🏊‍♀️🌀 The biggest iceberg in the world is on the move again after a casual half-year sabbatical spent spinning in circles. Our @magic.bas.ac.uk colleagues have illustrated A23's super circuitous 2024 journey via satellite imagery ⬇️ www.bas.ac.uk/media-post/w...
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Jacqueline Halpin @jaxhalpin.bsky.social · 13/12/2024
This time last year my home was the Edgeworth David camp in the Bunger Hills ⛺️🇦🇶 All the best to the @antarcticsciaus.bsky.social team out there this year for more #Denman Terrestrial Campaign science 🙌
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